Simply distribute the -3 across the b and -7.
-3(b - 7) = (-3 * b) + (-3 * -7) = -3b + 21
Hope this was helpful, if it wasn't just drop me a DM explaining what didn't make sense.
X=5 because you plug in the y into the equation y-x=17
<span>3<span>x^2</span></span>−<span>16 I think that's the answer. Hope that helps!</span>
Answer:
The answer is 377
Step-by-step explanation:
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